The kthread API creates threads that ignore all signals by default so
modules like vhost that will move from that API to kernel_copy_process
will not be expecting them. This patch exports ignore_signals so those
modules can keep their existing behavior.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
---
 kernel/signal.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/signal.c b/kernel/signal.c
index 952741f6d0f9..8fb79200c18b 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c

@@ -534,6 +534,10 @@ void flush_itimer_signals(void)
 }
 #endif
 
+/**
+ * ignore_signals - setup task to ignore all signals
+ * @t: task to setup
+ */
 void ignore_signals(struct task_struct *t)
 {
 	int i;

@@ -543,6 +547,7 @@ void ignore_signals(struct task_struct *t)
 
 	flush_signals(t);
 }
+EXPORT_SYMBOL_GPL(ignore_signals);
 
 /*
  * Flush all handlers for a task.

-- 
2.25.1

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